Tagged Questions

0
votes
2answers
88 views

risk of attacker decrypting RSA ciphertext without public or private key

As I describe in my previous question I am trying to decide if it's worth it for me to use the Offline Private Key Protocol in creating some long term private archives, instead of just going with a ...
2
votes
1answer
186 views

Is truncating a hashed private key with SHA-1 safe to use as the symmetric key for AES for data at rest?

I realize this is mixing the purposes between asymmetric and symmetric crypto, but I was wondering if it is safe to use a hashed, truncated private key (asymmetric) as the symmetric key for encrypting ...
0
votes
0answers
46 views

Elliptic curve Cryptography [duplicate]

Possible Duplicate: Can we use elliptic curve cryptography in wireless sensors? How to map message character to point lies on Elliptic Curve? how to ecc used in wireless sensor networks? ...